[go] runtime: further reduce number of size classes

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Michael Matloob (Gerrit)

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4:31 PM (1 hour ago) 4:31 PM

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Michael Matloob submitted the change

Change information

Commit message:

runtime: further reduce number of size classes

We now will only generate size specialized functions for size clases
less than or equal to 7. This brings down the size of the generated
functions from around 21k to around 16k.

For #79286

Change-Id: I1adafd3674004069ed6461ef63228bfc6a6a6964

Reviewed-on: https://go-review.googlesource.com/c/go/+/780300

Reviewed-by: Michael Matloob <mat...@google.com>

LUCI-TryBot-Result: golang...@luci-project-accounts.iam.gserviceaccount.com <golang...@luci-project-accounts.iam.gserviceaccount.com>

Reviewed-by: Michael Pratt <mpr...@google.com>

Files:

M src/cmd/compile/internal/ir/symtab.go
M src/cmd/compile/internal/ssagen/ssa.go
M src/runtime/_mkmalloc/constants.go
M src/runtime/_mkmalloc/mkmalloc.go
M src/runtime/malloc_generated.go
M src/runtime/malloc_tables_generated.go

Change size: L

Delta: 6 files changed, 9 insertions(+), 835 deletions(-)

Branch: refs/heads/master

Submit Requirements:

Code-Review: +1 by Michael Matloob, +2 by Michael Pratt
TryBots-Pass: LUCI-TryBot-Result+1 by golang...@luci-project-accounts.iam.gserviceaccount.com

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